From: toshi.kani@hpe.com (Kani, Toshi)
To: linux-arm-kernel@lists.infradead.org
Subject: [PATCH 2/2] x86/mm: implement free pmd/pte page interfaces
Date: Wed, 7 Mar 2018 23:22:24 +0000 [thread overview]
Message-ID: <1520467641.2693.52.camel@hpe.com> (raw)
In-Reply-To: <20180307150127.1e09e9826e0f2c80ce42fa4d@linux-foundation.org>
On Wed, 2018-03-07 at 15:01 -0800, Andrew Morton wrote:
> On Wed, 7 Mar 2018 11:32:27 -0700 Toshi Kani <toshi.kani@hpe.com> wrote:
>
> > Implement pud_free_pmd_page() and pmd_free_pte_page() on x86, which
> > clear a given pud/pmd entry and free up lower level page table(s).
> > Address range associated with the pud/pmd entry must have been purged
> > by INVLPG.
>
> OK, now we have implementations which match the naming ;) Again, is a
> cc:stable warranted?
Right. This patch 2/2 fixes the memory leak on x86.
Fixes: e61ce6ade404e ("mm: change ioremap to set up huge I/O mappings")
Patch 1/2 fixes the panic on arm64.
Fixes: 324420bf91f60 ("arm64: add support for ioremap() block mappings")
> Do you have any preferences/suggestions as to which tree these should
> be merged through? You're hitting core, arm and x86.
No, I do not have any preference.
Thanks,
-Toshi
WARNING: multiple messages have this Message-ID (diff)
From: "Kani, Toshi" <toshi.kani@hpe.com>
To: "akpm@linux-foundation.org" <akpm@linux-foundation.org>
Cc: "linux-kernel@vger.kernel.org" <linux-kernel@vger.kernel.org>,
"bp@suse.de" <bp@suse.de>,
"tglx@linutronix.de" <tglx@linutronix.de>,
"guohanjun@huawei.com" <guohanjun@huawei.com>,
"wxf.wang@hisilicon.com" <wxf.wang@hisilicon.com>,
"linux-mm@kvack.org" <linux-mm@kvack.org>,
"x86@kernel.org" <x86@kernel.org>,
"hpa@zytor.com" <hpa@zytor.com>,
"will.deacon@arm.com" <will.deacon@arm.com>,
"catalin.marinas@arm.com" <catalin.marinas@arm.com>,
"mingo@redhat.com" <mingo@redhat.com>,
"Hocko, Michal" <mhocko@suse.com>,
"linux-arm-kernel@lists.infradead.org"
<linux-arm-kernel@lists.infradead.org>
Subject: Re: [PATCH 2/2] x86/mm: implement free pmd/pte page interfaces
Date: Wed, 7 Mar 2018 23:22:24 +0000 [thread overview]
Message-ID: <1520467641.2693.52.camel@hpe.com> (raw)
In-Reply-To: <20180307150127.1e09e9826e0f2c80ce42fa4d@linux-foundation.org>
On Wed, 2018-03-07 at 15:01 -0800, Andrew Morton wrote:
> On Wed, 7 Mar 2018 11:32:27 -0700 Toshi Kani <toshi.kani@hpe.com> wrote:
>
> > Implement pud_free_pmd_page() and pmd_free_pte_page() on x86, which
> > clear a given pud/pmd entry and free up lower level page table(s).
> > Address range associated with the pud/pmd entry must have been purged
> > by INVLPG.
>
> OK, now we have implementations which match the naming ;) Again, is a
> cc:stable warranted?
Right. This patch 2/2 fixes the memory leak on x86.
Fixes: e61ce6ade404e ("mm: change ioremap to set up huge I/O mappings")
Patch 1/2 fixes the panic on arm64.
Fixes: 324420bf91f60 ("arm64: add support for ioremap() block mappings")
> Do you have any preferences/suggestions as to which tree these should
> be merged through? You're hitting core, arm and x86.
No, I do not have any preference.
Thanks,
-Toshi
next prev parent reply other threads:[~2018-03-07 23:22 UTC|newest]
Thread overview: 33+ messages / expand[flat|nested] mbox.gz Atom feed top
2018-03-07 18:32 [PATCH 0/2] fix memory leak / panic in ioremap huge pages Toshi Kani
2018-03-07 18:32 ` Toshi Kani
2018-03-07 18:32 ` Toshi Kani
2018-03-07 18:32 ` [PATCH 1/2] mm/vmalloc: Add interfaces to free unused page table Toshi Kani
2018-03-07 18:32 ` Toshi Kani
2018-03-07 18:32 ` Toshi Kani
2018-03-07 22:54 ` Andrew Morton
2018-03-07 22:54 ` Andrew Morton
2018-03-07 23:02 ` Kani, Toshi
2018-03-07 23:02 ` Kani, Toshi
2018-03-07 22:55 ` Andrew Morton
2018-03-07 22:55 ` Andrew Morton
2018-03-08 4:00 ` Matthew Wilcox
2018-03-08 4:00 ` Matthew Wilcox
2018-03-08 15:56 ` Kani, Toshi
2018-03-08 15:56 ` Kani, Toshi
2018-03-08 22:07 ` Matthew Wilcox
2018-03-08 22:07 ` Matthew Wilcox
2018-03-08 23:27 ` Kani, Toshi
2018-03-08 23:27 ` Kani, Toshi
2018-03-08 8:08 ` Ingo Molnar
2018-03-08 8:08 ` Ingo Molnar
2018-03-08 18:04 ` Will Deacon
2018-03-08 18:04 ` Will Deacon
2018-03-08 19:30 ` Kani, Toshi
2018-03-08 19:30 ` Kani, Toshi
2018-03-07 18:32 ` [PATCH 2/2] x86/mm: implement free pmd/pte page interfaces Toshi Kani
2018-03-07 18:32 ` Toshi Kani
2018-03-07 18:32 ` Toshi Kani
2018-03-07 23:01 ` Andrew Morton
2018-03-07 23:01 ` Andrew Morton
2018-03-07 23:22 ` Kani, Toshi [this message]
2018-03-07 23:22 ` Kani, Toshi
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